from . import basic
from . import contact
from . import geometry
from . import slippage
from . import tac_frame
from . import visualize
from . import utils
from . import force

# 可选：导出常用函数到包级别（如需直接调用）
from .basic import extract_tacdata_from_frame, unzip_PDF
from .geometry import get_normal_field
from .slippage import get_C_strains
from .contact import get_contact_region
from .visualize import plot_vector_field, plot_scalar_field
